/* Hair.surf — scoped design system. Prefix: hs- / #hairsurf-app
   Safe to embed in a WordPress content container. */

.hs-boot {
  width: min(1180px, calc(100% - 32px));
  margin: 48px auto 24px;
  min-height: 36vh;
}
.hs-boot h1 {
  font-family: Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 12px;
  font-weight: 500;
}
.hs-boot p { color: #5c534c; max-width: 52ch; }

#hairsurf-app {
  --hs-bg: #f7f3ee;
  --hs-bg-elev: #fffdf9;
  --hs-bg-mute: #efe8e0;
  --hs-bg-deep: #e7dfd5;
  --hs-ink: #1c1814;
  --hs-ink-soft: #5c534c;
  --hs-ink-faint: #8a8178;
  --hs-line: color-mix(in oklab, var(--hs-ink) 12%, transparent);
  --hs-line-strong: color-mix(in oklab, var(--hs-ink) 22%, transparent);
  --hs-accent: #7a3e36;
  --hs-accent-soft: color-mix(in oklab, var(--hs-accent) 14%, transparent);
  --hs-accent-fg: #fff9f5;
  --hs-cta: #1c1814;
  --hs-cta-fg: #f7f3ee;
  --hs-ok: #2f6b4f;
  --hs-warn: #8a5a12;
  --hs-danger: #8b2e2e;
  --hs-hair: #3d2a22;
  --hs-shadow: 0 18px 40px color-mix(in oklab, var(--hs-ink) 8%, transparent);
  --hs-shadow-sm: 0 8px 20px color-mix(in oklab, var(--hs-ink) 6%, transparent);
  --hs-font-display: Palatino, "Palatino Linotype", "Book Antiqua", Georgia, "Times New Roman", serif;
  --hs-font-body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --hs-font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --hs-radius-xs: 4px;
  --hs-radius-sm: 8px;
  --hs-radius-md: 12px;
  --hs-radius-lg: 18px;
  --hs-radius-xl: 28px;
  --hs-space-1: 4px;
  --hs-space-2: 8px;
  --hs-space-3: 12px;
  --hs-space-4: 16px;
  --hs-space-5: 24px;
  --hs-space-6: 32px;
  --hs-space-7: 48px;
  --hs-space-8: 64px;
  --hs-text-xs: 0.75rem;
  --hs-text-sm: 0.875rem;
  --hs-text-base: 1rem;
  --hs-text-lg: 1.125rem;
  --hs-text-xl: clamp(1.35rem, 1.1rem + 1vw, 1.75rem);
  --hs-text-2xl: clamp(1.85rem, 1.3rem + 2vw, 2.75rem);
  --hs-text-3xl: clamp(2.2rem, 1.5rem + 3vw, 3.6rem);
  --hs-leading: 1.55;
  --hs-wrap: min(1180px, calc(100% - 32px));
  --hs-motion-quick: 150ms;
  --hs-motion-fast: 250ms;
  --hs-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hs-focus: 0 0 0 3px color-mix(in oklab, var(--hs-accent) 45%, transparent);
  color: var(--hs-ink);
  background: var(--hs-bg);
  font-family: var(--hs-font-body);
  font-size: var(--hs-text-base);
  line-height: var(--hs-leading);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  isolation: isolate;
}

#hairsurf-app[data-hs-embed="1"] {
  min-height: 0;
  isolation: isolate;
  max-width: 100%;
  position: relative;
  z-index: 1;
}
#hairsurf-app[data-hs-embed="1"] .hs-header {
  position: relative;
  z-index: 2;
}

#hairsurf-app[data-hs-theme="dark"] {
  --hs-bg: #14110f;
  --hs-bg-elev: #1c1916;
  --hs-bg-mute: #241f1b;
  --hs-bg-deep: #2c2621;
  --hs-ink: #f3ede6;
  --hs-ink-soft: #b4a79c;
  --hs-ink-faint: #8d8278;
  --hs-accent: #d4a59a;
  --hs-accent-fg: #1c1814;
  --hs-cta: #f3ede6;
  --hs-cta-fg: #14110f;
  --hs-ok: #8fceb0;
  --hs-warn: #e0b56a;
  --hs-danger: #e09090;
  --hs-hair: #c4a484;
  --hs-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

#hairsurf-app *,
#hairsurf-app *::before,
#hairsurf-app *::after {
  box-sizing: border-box;
}

#hairsurf-app img,
#hairsurf-app canvas {
  max-width: 100%;
  display: block;
}

#hairsurf-app svg {
  display: block;
}

#hairsurf-app button,
#hairsurf-app input,
#hairsurf-app select,
#hairsurf-app textarea {
  font: inherit;
  color: inherit;
}

#hairsurf-app button {
  cursor: pointer;
}

#hairsurf-app a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

#hairsurf-app a:not(.hs-btn) {
  color: inherit;
}

#hairsurf-app a:not(.hs-btn):hover {
  color: var(--hs-accent);
}

#hairsurf-app :focus-visible {
  outline: none;
  box-shadow: var(--hs-focus);
}

.hs-skip,
#hairsurf-app .hs-skip {
  display: none !important;
}

.hs-wrap {
  width: var(--hs-wrap);
  margin-inline: auto;
}

.hs-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--hs-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hs-line);
}

.hs-header-inner {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--hs-space-4);
  min-height: 68px;
  padding: 10px 0;
}

.hs-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.hs-logo:hover { color: inherit; }

.hs-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--hs-line-strong);
  display: grid;
  place-items: center;
  background: var(--hs-bg-elev);
}
.hs-mark svg { width: 20px; height: 20px; }

.hs-wordmark {
  font-family: var(--hs-font-display);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  line-height: 1;
}
.hs-wordmark span {
  color: var(--hs-accent);
  font-style: italic;
}

.hs-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-left: auto;
  justify-content: flex-end;
}

.hs-nav a,
.hs-nav button.hs-nav-link {
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
  font-size: var(--hs-text-sm);
  color: var(--hs-ink-soft);
  min-height: 40px;
}
.hs-nav a:hover,
.hs-nav button.hs-nav-link:hover,
.hs-nav a[aria-current="page"] {
  color: var(--hs-ink);
  background: var(--hs-bg-mute);
}

.hs-icon-btn {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--hs-line);
  background: var(--hs-bg-elev);
  color: var(--hs-ink);
}
.hs-icon-btn:hover { border-color: var(--hs-line-strong); }
.hs-icon-btn svg { width: 18px; height: 18px; }

.hs-menu-btn { display: none; }

.hs-hero {
  padding: 48px 0 28px;
}

.hs-hero-grid {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: end;
}

.hs-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hs-accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.hs-hero h1,
.hs-section-title {
  font-family: var(--hs-font-display);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 14px;
}

.hs-hero h1 { font-size: var(--hs-text-3xl); }

.hs-lede {
  font-size: 1.05rem;
  color: var(--hs-ink-soft);
  max-width: 52ch;
  margin: 0 0 22px;
}

.hs-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: var(--hs-text-sm);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: transform var(--hs-motion-quick) var(--hs-ease), background var(--hs-motion-quick) var(--hs-ease), filter var(--hs-motion-quick) var(--hs-ease);
}
.hs-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.hs-btn:hover { color: inherit; }
.hs-btn:active { transform: scale(0.98); }
#hairsurf-app a.hs-btn-primary,
#hairsurf-app button.hs-btn-primary,
#hairsurf-app label.hs-btn-primary,
.hs-btn-primary {
  background: var(--hs-cta);
  color: var(--hs-cta-fg);
  min-width: 14rem;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 0.95rem;
}
#hairsurf-app a.hs-btn-primary:hover,
#hairsurf-app button.hs-btn-primary:hover,
#hairsurf-app label.hs-btn-primary:hover,
.hs-btn-primary:hover {
  color: var(--hs-cta-fg);
  filter: brightness(1.08);
}
#hairsurf-app a.hs-btn-ghost,
#hairsurf-app button.hs-btn-ghost,
.hs-btn-ghost {
  background: transparent;
  border-color: var(--hs-line-strong);
  color: var(--hs-ink);
  min-width: 0;
}
#hairsurf-app a.hs-btn-ghost:hover,
.hs-btn-ghost:hover { color: var(--hs-ink); background: var(--hs-bg-mute); }
.hs-btn-soft {
  background: var(--hs-accent-soft);
  color: var(--hs-accent);
  min-width: 0;
}
.hs-btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none; }

.hs-privacy {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 18px;
  color: var(--hs-ink-soft);
  font-size: var(--hs-text-sm);
  max-width: 48ch;
}
.hs-privacy svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; }

.hs-hero-aside {
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-xl);
  padding: 22px;
  box-shadow: var(--hs-shadow-sm);
}
.hs-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.hs-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  font-size: var(--hs-text-sm);
  color: var(--hs-ink-soft);
}
.hs-steps b { display: block; color: var(--hs-ink); font-weight: 600; }
.hs-step-n {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--hs-bg-mute);
  font-size: 0.75rem;
  font-weight: 600;
}

.hs-studio-sec { padding: 8px 0 56px; }
.hs-studio {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  align-items: stretch;
}
.hs-panel {
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-xl);
  box-shadow: var(--hs-shadow-sm);
  min-width: 0;
}
.hs-canvas-panel { padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.hs-canvas-stage {
  position: relative;
  background:
    radial-gradient(1200px 400px at 50% 0%, color-mix(in oklab, var(--hs-accent) 8%, transparent), transparent 50%),
    var(--hs-bg-mute);
  border-radius: calc(var(--hs-radius-xl) - 10px);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  max-height: min(72vh, 760px);
}
.hs-canvas-stage canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  touch-action: none;
  cursor: grab;
}
.hs-canvas-stage canvas.is-drag { cursor: grabbing; }

.hs-upload-layer {
  position: absolute;
  inset: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
  z-index: 3;
}
.hs-upload-layer[hidden] { display: none !important; }
.hs-drop {
  width: min(100%, 460px);
  border: 1.5px dashed var(--hs-line-strong);
  border-radius: var(--hs-radius-lg);
  padding: 16px 18px;
  background: color-mix(in oklab, var(--hs-bg-elev) 92%, transparent);
  pointer-events: auto;
  backdrop-filter: blur(10px);
  text-align: center;
}
.hs-drop.is-over { border-color: var(--hs-accent); background: var(--hs-accent-soft); }
.hs-drop h3 {
  font-family: var(--hs-font-display);
  margin: 10px 0 6px;
  font-size: 1.35rem;
}
.hs-drop p { margin: 0 0 14px; color: var(--hs-ink-soft); font-size: var(--hs-text-sm); }
.hs-drop svg.hs-drop-ico { width: 36px; height: 36px; margin: 0 auto; color: var(--hs-accent); }
.hs-file-input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.hs-drop-compact {
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: left;
}
.hs-drop-compact p { margin: 0; max-width: 36ch; }

.hs-upload-panel {
  padding: 4px 2px 2px;
}
.hs-upload-panel .hs-drop {
  width: 100%;
  background: var(--hs-bg);
  text-align: left;
  display: grid;
  gap: 8px;
  justify-items: start;
}
.hs-upload-panel .hs-drop h3 { margin: 0; }
.hs-upload-panel .hs-drop p { margin: 0; }
.hs-upload-specs {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
  font-size: var(--hs-text-xs);
  color: var(--hs-ink-soft);
}
.hs-upload-specs b { color: var(--hs-ink); font-weight: 600; }
.hs-photo-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-lg);
  background: var(--hs-bg);
}
.hs-photo-status p { margin: 0; font-size: var(--hs-text-sm); color: var(--hs-ink-soft); max-width: 48ch; }
.hs-photo-status[hidden] { display: none !important; }
.hs-canvas-hint {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 2;
  font-size: var(--hs-text-xs);
  color: var(--hs-ink-soft);
  background: color-mix(in oklab, var(--hs-bg-elev) 88%, transparent);
  border: 1px solid var(--hs-line);
  border-radius: 999px;
  padding: 6px 10px;
  pointer-events: none;
}

.hs-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
#hairsurf-app button.hs-tool-btn,
.hs-tool-btn {
  min-height: 40px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--hs-line);
  background: var(--hs-bg);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--hs-ink-soft);
}
#hairsurf-app button.hs-tool-btn:hover,
#hairsurf-app button.hs-tool-btn[aria-pressed="true"],
.hs-tool-btn:hover,
.hs-tool-btn[aria-pressed="true"] {
  color: var(--hs-accent);
  border-color: var(--hs-accent);
  background: var(--hs-accent-soft);
}
.hs-error {
  color: var(--hs-danger);
  font-size: var(--hs-text-sm);
  margin: 0;
}

.hs-side { display: flex; flex-direction: column; min-height: 0; }
.hs-side-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 12px 0;
  border-bottom: 1px solid var(--hs-line);
}
.hs-side-tabs button {
  flex: 1;
  min-height: 40px;
  padding: 8px 10px;
  border: 0;
  background: transparent;
  border-radius: 12px 12px 0 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--hs-ink-soft);
}
#hairsurf-app .hs-side-tabs button[aria-selected="true"],
.hs-side-tabs button[aria-selected="true"] {
  color: var(--hs-accent);
  background: var(--hs-accent-soft);
}
.hs-side-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  flex: 1;
  overflow: hidden;
}
.hs-side-body .hs-style-grid {
  flex: 1 1 auto;
}

.hs-search {
  display: flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--hs-line);
  background: var(--hs-bg);
  border-radius: 999px;
  padding: 0 12px;
  min-height: 44px;
}
.hs-search svg { width: 16px; height: 16px; color: var(--hs-ink-faint); flex-shrink: 0; }
.hs-search input {
  border: 0;
  background: transparent;
  width: 100%;
  min-height: 42px;
  outline: none;
  box-shadow: none !important;
}
.hs-search .hs-clear {
  font-size: 0.75rem;
  color: var(--hs-ink-soft);
  padding: 4px 8px;
}

.hs-model-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
#hairsurf-app .hs-model-switch button,
.hs-model-switch button {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--hs-line-strong);
  background: var(--hs-bg-elev);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--hs-ink);
}
#hairsurf-app .hs-model-switch button[aria-pressed="true"],
.hs-model-switch button[aria-pressed="true"] {
  background: var(--hs-accent);
  color: var(--hs-accent-fg);
  border-color: var(--hs-accent);
}
.hs-chips {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 4px 0 8px;
}
.hs-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: 100%;
  align-items: center;
}
.hs-chip-label {
  display: block;
  width: 100%;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hs-ink-faint);
  margin: 0 0 2px;
}
#hairsurf-app button.hs-chip,
#hairsurf-app .hs-chip,
.hs-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: 34px;
  padding: 6px 12px;
  margin: 0;
  border-radius: 999px;
  border: 1px solid var(--hs-line);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  color: var(--hs-ink-soft);
  background: var(--hs-bg);
  white-space: nowrap;
  flex: 0 0 auto;
}
#hairsurf-app button.hs-chip[aria-pressed="true"],
#hairsurf-app .hs-chip[aria-pressed="true"],
.hs-chip[aria-pressed="true"],
.hs-chip.is-on {
  background: var(--hs-accent);
  color: var(--hs-accent-fg);
  border-color: var(--hs-accent);
}

.hs-style-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: max-content;
  align-items: start;
  align-content: start;
  justify-items: stretch;
  gap: 10px;
  overflow: auto;
  max-height: min(58vh, 640px);
  height: auto;
  min-height: 240px;
  padding-right: 4px;
  width: 100%;
  min-width: 0;
}
.hs-style-grid .hs-btn { grid-column: 1 / -1; }
#hairsurf-app .hs-style-card,
.hs-style-card {
  display: flex;
  flex-direction: column;
  align-self: start;
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-md);
  background: var(--hs-bg-elev);
  padding: 6px 6px 10px;
  text-align: left;
  min-height: auto;
  height: auto;
  overflow: visible;
  cursor: pointer;
  position: relative;
}
.hs-style-card.is-on {
  border-color: var(--hs-accent);
  box-shadow: 0 0 0 2px var(--hs-accent-soft);
}
#hairsurf-app .hs-style-thumb,
.hs-style-thumb {
  position: relative;
  display: block;
  width: 100%;
  height: auto !important;
  min-height: 168px;
  padding: 0 !important;
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  background-color: var(--hs-bg-mute);
  background-size: cover;
  background-position: center top;
  overflow: hidden;
  flex: 0 0 auto;
}
#hairsurf-app .hs-style-thumb img,
#hairsurf-app .hs-style-thumb canvas,
#hairsurf-app .hs-style-thumb svg,
.hs-style-thumb img,
.hs-style-thumb canvas,
.hs-style-thumb svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  display: block;
}
.hs-style-card strong {
  display: block;
  font-size: 0.78rem;
  margin-top: 8px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--hs-ink);
}
.hs-style-card span {
  display: block;
  font-size: 0.68rem;
  color: var(--hs-ink-faint);
  text-transform: capitalize;
  margin-bottom: 2px;
}

#hairsurf-app button.hs-fav,
.hs-fav {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--hs-ink-faint);
  background: color-mix(in oklab, var(--hs-bg-elev) 86%, transparent);
  display: grid;
  place-items: center;
  z-index: 1;
  cursor: pointer;
}
.hs-fav svg { width: 16px; height: 16px; }
.hs-fav.is-on { color: var(--hs-accent); }

.hs-sliders { display: grid; gap: 12px; }
.hs-slider { display: grid; gap: 6px; }
.hs-slider label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 600;
}
.hs-slider-row {
  display: grid;
  grid-template-columns: 1fr 4.6rem auto;
  gap: 8px;
  align-items: center;
}
.hs-slider input[type="range"] {
  width: 100%;
  accent-color: var(--hs-accent);
  min-height: 32px;
}
.hs-slider-row input[type="number"] {
  min-height: 40px;
  width: 4.6rem;
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-sm);
  background: var(--hs-bg-elev);
  padding: 4px 8px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.hs-unit {
  font-size: 0.75rem;
  color: var(--hs-ink-faint);
  min-width: 1.1rem;
}
.hs-fit-dock {
  background: var(--hs-bg);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-lg);
  padding: 14px;
  display: grid;
  gap: 10px;
}
.hs-fit-dock[hidden] { display: none !important; }
.hs-fit-mini {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-lg);
  background: var(--hs-bg);
  margin-bottom: 4px;
}
.hs-fit-head {
  margin: 0;
  font-family: var(--hs-font-display);
  font-size: 1.05rem;
  font-weight: 500;
}
.hs-fit-help {
  margin: 0;
  font-size: 0.8rem;
  color: var(--hs-ink-soft);
}
.hs-nudge {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}
.hs-nudge button {
  min-height: 40px;
  border: 1px solid var(--hs-line-strong);
  border-radius: var(--hs-radius-sm);
  background: var(--hs-bg-elev);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0 6px;
}
.hs-nudge button:hover { background: var(--hs-bg-mute); }

.hs-palette {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.hs-swatch {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--hs-bg-elev);
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.2);
}
.hs-swatch.is-on { box-shadow: 0 0 0 2px var(--hs-ink); }

.hs-compare-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
#hairsurf-app .hs-compare-row[hidden],
.hs-compare-row[hidden] {
  display: none !important;
}
.hs-look {
  border: 1px dashed var(--hs-line-strong);
  border-radius: var(--hs-radius-md);
  min-height: 88px;
  overflow: hidden;
  background: var(--hs-bg-mute);
  position: relative;
}
.hs-look img { width: 100%; height: 100%; object-fit: cover; }
.hs-look-ph {
  display: grid;
  place-items: center;
  height: 88px;
  font-size: 0.72rem;
  color: var(--hs-ink-faint);
}
.hs-look .hs-look-x {
  position: absolute;
  top: 4px; right: 4px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--hs-bg-elev);
}

.hs-ba {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--hs-radius-xl) - 10px);
}
.hs-ba-slider {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 10px;
  width: auto;
  height: 28px;
  opacity: 1;
  cursor: ew-resize;
  z-index: 4;
  accent-color: var(--hs-accent);
}

.hs-section { padding: 28px 0 56px; }
.hs-section h2 {
  font-family: var(--hs-font-display);
  font-size: var(--hs-text-2xl);
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.hs-section .hs-sub {
  color: var(--hs-ink-soft);
  margin: 0 0 22px;
  max-width: 60ch;
}

.hs-tools-head {
  width: var(--hs-wrap);
  margin-inline: auto;
}
.hs-tools-search.hs-search { max-width: 640px; }

.hs-cat-row {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: flex;
  gap: 8px;
  overflow: auto;
  padding: 4px 0 12px;
  scrollbar-width: thin;
}
.hs-cat-groups {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 0 8px;
}
.hs-cat-groups .hs-chip {
  min-height: 40px;
  padding: 0 14px;
  font-size: 0.82rem;
  font-weight: 600;
}

.hs-tool-grid {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.hs-tool-grid.is-dir {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hs-spot-grid {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.hs-spot {
  display: flex;
  flex-direction: column;
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-xl);
  padding: 20px 20px 18px;
  box-shadow: var(--hs-shadow-sm);
  min-height: 100%;
}
.hs-spot h3 {
  font-family: var(--hs-font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.hs-spot-blurb {
  margin: 0;
  color: var(--hs-ink-soft);
  font-size: var(--hs-text-sm);
}
.hs-spot-count {
  margin: 8px 0 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--hs-accent);
}
.hs-spot-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 16px;
  flex: 1;
}
.hs-spot-list li { border-bottom: 1px solid var(--hs-line); }
.hs-spot-list a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 0;
  text-decoration: none;
  color: var(--hs-ink);
  font-weight: 600;
  font-size: 0.9rem;
}
.hs-spot .hs-btn {
  width: 100%;
  min-width: 0;
  margin-top: auto;
}
.hs-dir-section { display: grid; gap: 12px; }
.hs-dir-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.hs-dir-head h3 {
  margin: 0;
  font-family: var(--hs-font-display);
  font-size: 1.2rem;
  font-weight: 500;
}
.hs-tool-grid-nested {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hs-tool-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border-radius: var(--hs-radius-lg);
  border: 1px solid var(--hs-line);
  background: var(--hs-bg-elev);
  min-height: 168px;
  text-align: left;
  text-decoration: none;
  transition: transform var(--hs-motion-fast) var(--hs-ease), border-color var(--hs-motion-quick) var(--hs-ease);
}
.hs-tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--hs-line-strong);
  color: inherit;
}
.hs-tool-ico {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--hs-bg-mute);
  display: grid; place-items: center;
  color: var(--hs-accent);
}
.hs-tool-ico svg { width: 18px; height: 18px; }
.hs-tool-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-family: var(--hs-font-display);
}
.hs-tool-card p {
  margin: 0;
  color: var(--hs-ink-soft);
  font-size: var(--hs-text-sm);
  flex: 1;
}
.hs-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--hs-ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hs-why, .hs-how, .hs-edu, .hs-privacy-sec, .hs-faq {
  width: var(--hs-wrap);
  margin-inline: auto;
}
.hs-why-grid, .hs-how-grid, .hs-edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.hs-why article, .hs-how article, .hs-edu a {
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-lg);
  padding: 20px;
  text-decoration: none;
}
.hs-why h3, .hs-how h3, .hs-edu h3 {
  font-family: var(--hs-font-display);
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 500;
}
.hs-why p, .hs-how p, .hs-edu p { margin: 0; color: var(--hs-ink-soft); font-size: var(--hs-text-sm); }
.hs-how ol { margin: 0; padding-left: 18px; color: var(--hs-ink-soft); }

.hs-faq details {
  border-bottom: 1px solid var(--hs-line);
  padding: 14px 0;
}
.hs-faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  align-items: center;
}
.hs-faq summary::-webkit-details-marker { display: none; }
.hs-faq summary::after { content: "+"; color: var(--hs-ink-faint); font-weight: 400; }
.hs-faq details[open] summary::after { content: "–"; }
.hs-faq p { color: var(--hs-ink-soft); margin: 0 0 6px; }

#hs-main { flex: 1 0 auto; }

.hs-footer {
  margin-top: auto;
  border-top: 1px solid var(--hs-line);
  padding: 28px 0 40px;
  color: var(--hs-ink-soft);
  font-size: var(--hs-text-sm);
}
.hs-footer-inner {
  width: var(--hs-wrap);
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.hs-footer a { color: var(--hs-ink-soft); text-decoration: none; }
.hs-footer a:hover { color: var(--hs-ink); }

/* Tool page */
.hs-crumb {
  width: var(--hs-wrap);
  margin: 18px auto 0;
  font-size: var(--hs-text-sm);
  color: var(--hs-ink-soft);
}
.hs-crumb a { color: var(--hs-ink-soft); text-decoration: none; }
.hs-tool-page {
  width: min(880px, var(--hs-wrap));
  margin: 12px auto 64px;
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-xl);
  padding: 28px 32px 32px;
  box-shadow: var(--hs-shadow-sm);
}
.hs-tool-page h1 {
  font-family: var(--hs-font-display);
  font-size: var(--hs-text-2xl);
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.hs-purpose { color: var(--hs-ink-soft); margin: 0 0 22px; }

.hs-form {
  display: grid;
  gap: 14px;
  background: var(--hs-bg);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-lg);
  padding: 22px;
}
.hs-field { display: grid; gap: 6px; }
.hs-field label { font-size: 0.82rem; font-weight: 600; }
.hs-field .hs-help { font-size: 0.75rem; color: var(--hs-ink-faint); font-weight: 400; }
.hs-field input,
.hs-field select,
.hs-field textarea {
  min-height: 44px;
  border: 1px solid var(--hs-line);
  background: var(--hs-bg);
  border-radius: var(--hs-radius-sm);
  padding: 8px 12px;
}
.hs-field textarea { min-height: 96px; resize: vertical; }
.hs-check {
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 44px;
}
.hs-check input { width: 18px; height: 18px; accent-color: var(--hs-accent); }

.hs-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }

.hs-export {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--hs-line);
}
.hs-tool-page .hs-result .hs-export,
.hs-tool-page .hs-export ~ .hs-export {
  display: none;
}
.hs-export .hs-btn {
  min-width: 0;
  min-height: 40px;
  padding: 0 12px;
  font-size: 0.78rem;
}

.hs-result {
  margin-top: 16px;
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-xl);
  padding: 22px;
}
.hs-result h2 {
  font-family: var(--hs-font-display);
  font-size: 1.25rem;
  margin: 0 0 10px;
  font-weight: 500;
}
.hs-kpi {
  font-family: var(--hs-font-display);
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.hs-result table { width: 100%; border-collapse: collapse; font-size: var(--hs-text-sm); }
.hs-result th, .hs-result td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--hs-line); }
.hs-notes, .hs-formula, .hs-howbox {
  margin-top: 16px;
  font-size: var(--hs-text-sm);
  color: var(--hs-ink-soft);
}
.hs-formula code {
  font-family: var(--hs-font-mono);
  font-size: 0.8rem;
  background: var(--hs-bg-mute);
  padding: 2px 6px;
  border-radius: 4px;
}

.hs-guide { display: grid; gap: 10px; }
.hs-guide h2 {
  font-family: var(--hs-font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin: 18px 0 6px;
}
.hs-guide ul { margin: 0 0 8px; padding-left: 1.2rem; }
.hs-guide li { margin: 0 0 6px; }
.hs-learn-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
  color: var(--hs-ink-soft);
  margin: 0 0 8px;
}
.hs-level {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--hs-bg-mute);
  border: 1px solid var(--hs-line);
  text-transform: capitalize;
  font-weight: 600;
}
.hs-callout {
  background: var(--hs-bg-mute);
  border-left: 3px solid var(--hs-accent);
  padding: 10px 12px;
  border-radius: 0 10px 10px 0;
  font-size: 0.88rem;
  color: var(--hs-ink-soft);
  margin: 0 0 8px;
}
.hs-learn-count { font-size: 0.85rem; color: var(--hs-ink-soft); margin: 0 0 8px; }
.hs-learn-index { list-style: none; padding: 0; margin: 0 0 18px; }
.hs-learn-index li { border-bottom: 1px solid var(--hs-line); }
.hs-learn-index a {
  display: block;
  padding: 10px 4px;
  text-decoration: none;
  min-height: 44px;
}
.hs-learn-index strong { display: block; margin-bottom: 2px; }
.hs-table-wrap { overflow: auto; margin: 8px 0 12px; }
.hs-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.hs-table th, .hs-table td {
  text-align: left;
  padding: 8px 8px;
  border-bottom: 1px solid var(--hs-line);
  vertical-align: top;
}
.hs-table th { font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--hs-ink-soft); }
.hs-dl { margin: 0; }
.hs-dl dt { font-weight: 700; margin: 12px 0 4px; }
.hs-dl dd { margin: 0 0 0 0; color: var(--hs-ink-soft); }
.hs-dl .hs-az-mark {
  font-family: var(--hs-font-display);
  font-size: 1.4rem;
  color: var(--hs-accent);
  margin: 22px 0 8px;
  scroll-margin-top: 84px;
}
.hs-gloss-bar { display: grid; gap: 10px; margin: 8px 0 12px; }
.hs-az {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.hs-az a {
  min-width: 32px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hs-line);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}
.hs-az a:hover { background: var(--hs-bg-mute); }
.hs-dl [hidden] { display: none !important; }
}

.hs-related { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.hs-related a {
  border: 1px solid var(--hs-line);
  border-radius: 999px;
  padding: 8px 12px;
  text-decoration: none;
  font-size: 0.8rem;
}

.hs-log { display: grid; gap: 8px; margin-top: 12px; }
.hs-log-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--hs-line);
  border-radius: var(--hs-radius-sm);
  background: var(--hs-bg);
  font-size: var(--hs-text-sm);
}

.hs-empty {
  padding: 28px;
  text-align: center;
  color: var(--hs-ink-soft);
}

.hs-modal-root[hidden] { display: none; }
.hs-modal-back {
  position: fixed;
  inset: 0;
  background: rgb(20 17 15 / 0.45);
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 16px;
}
.hs-modal {
  background: var(--hs-bg-elev);
  color: var(--hs-ink);
  width: min(520px, 100%);
  border-radius: var(--hs-radius-xl);
  padding: 22px;
  border: 1px solid var(--hs-line);
  max-height: min(80vh, 640px);
  overflow: auto;
}
.hs-modal h2 { font-family: var(--hs-font-display); margin: 0 0 10px; }

.hs-cmd {
  position: fixed;
  inset: 12vh 12px auto;
  margin: auto;
  width: min(640px, 100%);
  background: var(--hs-bg-elev);
  border: 1px solid var(--hs-line-strong);
  border-radius: var(--hs-radius-lg);
  box-shadow: var(--hs-shadow);
  z-index: 60;
  overflow: hidden;
}
.hs-cmd-list { max-height: 360px; overflow: auto; }
.hs-cmd-list button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hs-line);
  font-size: var(--hs-text-sm);
}
.hs-cmd-list button[aria-selected="true"], .hs-cmd-list button:hover {
  background: var(--hs-bg-mute);
}

.hs-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--hs-ink);
  color: var(--hs-bg);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  z-index: 70;
}

.hs-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
}
.hs-footer-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 4px 2px;
}

#hs-studio, #hs-tools, #hs-faq, #hs-how, #hs-main, #hs-tool-results, #hs-learn, #hs-home-cats, #hs-popular-wrap {
  scroll-margin-top: 84px;
}
#hs-popular-wrap[hidden] { display: none !important; }

.hs-sheet-back {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: color-mix(in oklab, #1c1814 46%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.hs-sheet {
  width: min(560px, 100%);
  max-height: min(90vh, 820px);
  overflow: auto;
  background: var(--hs-bg-elev);
  color: var(--hs-ink);
  border-radius: var(--hs-radius-lg);
  padding: 20px 20px 16px;
  box-shadow: var(--hs-shadow);
}
.hs-sheet h2 {
  font-family: var(--hs-font-display);
  margin: 0 0 8px;
  font-size: 1.4rem;
}
.hs-sheet p { margin: 0 0 12px; color: var(--hs-ink-soft); font-size: 0.9rem; }
.hs-sheet img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: var(--hs-bg-mute);
  margin-bottom: 14px;
}
.hs-sheet-text {
  white-space: pre-wrap;
  font-family: var(--hs-font-body);
  font-size: 0.92rem;
  line-height: 1.5;
  background: var(--hs-bg-mute);
  padding: 12px;
  border-radius: 10px;
  max-height: 50vh;
  overflow: auto;
  margin: 0 0 14px;
}
.hs-sheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hs-sheet-actions .hs-btn { min-width: 0; flex: 1 1 auto; }

.hs-viz {
  height: 280px;
  border-radius: var(--hs-radius-lg);
  background: var(--hs-bg-mute);
  overflow: hidden;
}

.hs-hidden { display: none !important; }

@media (max-width: 1024px) {
  .hs-hero-grid, .hs-studio { grid-template-columns: 1fr; }
  .hs-style-grid { max-height: min(58vh, 560px); }
  .hs-tool-grid, .hs-tool-grid-nested, .hs-why-grid, .hs-how-grid, .hs-edu-grid, .hs-spot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .hs-nav { display: none; }
  .hs-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--hs-bg-elev);
    border-bottom: 1px solid var(--hs-line);
    padding: 12px;
    z-index: 30;
  }
  .hs-menu-btn { display: grid; }
  .hs-tool-grid, .hs-tool-grid-nested, .hs-why-grid, .hs-how-grid, .hs-edu-grid, .hs-spot-grid { grid-template-columns: 1fr; }
  .hs-style-grid { grid-template-columns: 1fr 1fr; }
  .hs-header-inner { width: calc(100% - 24px); }
  .hs-hero-grid, .hs-studio, .hs-tools-head, .hs-cat-row, .hs-tool-grid, .hs-why, .hs-how, .hs-edu, .hs-privacy-sec, .hs-faq, .hs-footer-inner, .hs-crumb, .hs-spot-grid {
    width: calc(100% - 24px);
  }
  .hs-hero { padding-top: 28px; }
  .hs-canvas-stage { max-height: 70vh; }
}

@media (prefers-reduced-motion: reduce) {
  #hairsurf-app *, #hairsurf-app *::before, #hairsurf-app *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media print {
  .hs-header, .hs-footer, .hs-toolbar, .hs-side, .hs-hero-actions, .hs-nav, .hs-upload-panel, .hs-upload-layer, .hs-export, .hs-sheet-back, .hs-toast, .hs-fit-dock, .hs-fit-mini { display: none !important; }
  #hairsurf-app { background: #fff; color: #111; }
  #hs-canvas { max-width: 100%; height: auto; }
}